You don’t have to hang around the world of microscopes for long to discover an obsession with quality illumination. The incumbent light source is quartz?halogen incandescent, although various specialist discharge lamps are also used.Extending the Scope of LED Light Sources
LEDs are making inroads, which is no wonder, because halogen sources are often dissipating 50W-100W. But it is not a simple choice, because quartz?halogen lamps have one big advantage: they are essentially black?body radiators. Chandelier Lighting Picture
This means they produce a continuous spectrum without any lumps and bumps, so any object of any visible colour can be seen, and any visible colour can be isolated by optical filtering
“The nice thing about halogen is it’s a good broad spectrum light source. The spectrum is very uniform, with very good colour rendering,” says Clive Beech, components manager at UK LED maker Plessey, which is looking into specialist lighting applications including microscopes. Lighting Wholesale Floor Lamp
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